English verb conjugation
COULD INCRUST

Regular verb: incrust - incrusted - incrusted

Affirmation

Simple form	V-ing form
I could incrust you could incrust she could incrust we could incrust you could incrust they could incrust	I could be incrusting you could be incrusting she could be incrusting we could be incrusting you could be incrusting they could be incrusting
Perfect	V-ing perfect
I could have incrusted you could have incrusted she could have incrusted we could have incrusted you could have incrusted they could have incrusted	I could have been incrusting you could have been incrusting she could have been incrusting we could have been incrusting you could have been incrusting they could have been incrusting

Negation

Simple form	V-ing form
I could not incrust you could not incrust she could not incrust we could not incrust you could not incrust they could not incrust	I could not be incrusting you could not be incrusting she could not be incrusting we could not be incrusting you could not be incrusting they could not be incrusting
Perfect	V-ing perfect
I could not have incrusted you could not have incrusted she could not have incrusted we could not have incrusted you could not have incrusted they could not have incrusted	I could not have been incrusting you could not have been incrusting she could not have been incrusting we could not have been incrusting you could not have been incrusting they could not have been incrusting

Interrogative form

Simple form	V-ing form
could I incrust? could you incrust? could she incrust? could we incrust? could you incrust? could they incrust?	could I be incrusting? could you be incrusting? could she be incrusting? could we be incrusting? could you be incrusting? could they be incrusting?
Perfect	V-ing perfect
could I have incrusted? could you have incrusted? could she have incrusted? could we have incrusted? could you have incrusted? could they have incrusted?	could I have been incrusting? could you have been incrusting? could she have been incrusting? could we have been incrusting? could you have been incrusting? could they have been incrusting?

Interro-negative form

Simple form	V-ing form
could I not incrust? could you not incrust? could she not incrust? could we not incrust? could you not incrust? could they not incrust?	could I not be incrusting? could you not be incrusting? could she not be incrusting? could we not be incrusting? could you not be incrusting? could they not be incrusting?
Perfect	V-ing perfect
could I not have incrusted? could you not have incrusted? could she not have incrusted? could we not have incrusted? could you not have incrusted? could they not have incrusted?	could I not have been incrusting? could you not have been incrusting? could she not have been incrusting? could we not have been incrusting? could you not have been incrusting? could they not have been incrusting?